Up to 8 lines of 21 characters plus graphics, using a 128x64-dot VFD graphic display. Asynchronous serial links from 4800 to 38400 baud and SPI/I2C data rates over 500 kHz. EEPROM memory is used to store configuration and macro data. Four font sizes and 8 user ports with automatic key scanning. This module is designed to be customized.